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MICH-16.5 Data Details

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MICH-16.5 Increase the proportion of women delivering a live birth who had a healthy weight prior to pregnancy

About the Data

Description of the data source, numerator, denominator, survey questions, and other relevant details about the national estimate.

Data Source: 
California's Maternal and Infant Health Assessment
Pregnancy Risk Assessment Monitoring System
Changed Since the Healthy People 2020 Launch: 
Baseline (Year): 
52.5 (2007)
Target-Setting Method: 
10 percent improvement

Women with a recent live birth who reported having a healthy weight (BMI: 18.5 - 24.9) prior to pregnancy


Number of women with a recent live birth

Comparable Healthy People 2010 Objective: 
Not applicable
Questions Used to Obtain the National Baseline Data: 

    From the 2007 Pregnancy Risk Assessment Monitoring System:


    Just before you got pregnant with your new baby, how much did you weigh?
    _____ Pounds  OR &nbsp_____ Kilos

    How tall are you without shoes?
    _____ Feet _____ Inches  OR  _____ Meters

    From the 2007 California Maternal and Infant Health Assessment:


    Just before you got pregnant, how much did you weigh?
    _____ Pounds  OR  _____ Kilos

    How much weight did you gain during your most recent pregnancy?
    _____ Pounds  OR  _____ Kilos
    _____ I LOST weight during my pregnancy
    _____ I stayed the same
    _____ I don't know

    How tall are you without shoes?
           _____ Feet  and  _____ Inches
    OR _____ Meters  and  _____ cms

Data Collection Frequency: 
Methodology Notes: 

    The most current IOM recommendations were used to determine BMI categories:

    Prepregnancy BMI BMI* (kg/m²)
    Underweight <18.5
    Normal weight 18.5-24.9
    Overweight 25.0-29.9
    Obese ≥30.0

    * To calculate BMI go to Calculate Your BMI - Standard BMI Calculator.

    Data from participating PRAMS states (28 states and New York City in 2007) were combined with data from the California's Maternal and Infant Health Assessment (MIHA) to produce the displayed estimate.

Trend Issues: 
The 2007 estimate is based on data from CA plus the following PRAMS states: AK, AR, CO, DE, GA, HI, IL, ME, MD, MA, MI, MN, MO, NJ, NC, NY, NYC, OH, OK, OR, PA, RI, SC, UT, VT, WA, WV, WI, and WY.


Additional resources about the objective

  1. Institute of Medicine (2009). Weight Gain During Pregnancy: Reexamining the Guidelines, National Academies Press, Washington DC. Available online at: